CN208835097U - Battery case and battery temperature control device - Google Patents
Battery case and battery temperature control device Download PDFInfo
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- CN208835097U CN208835097U CN201821585166.4U CN201821585166U CN208835097U CN 208835097 U CN208835097 U CN 208835097U CN 201821585166 U CN201821585166 U CN 201821585166U CN 208835097 U CN208835097 U CN 208835097U
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- battery
- solenoid valve
- separate cavities
- outer container
- interior case
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a kind of battery case and battery temperature control device, it is related to battery temperature control technique field, battery case provided by the utility model includes cabinet, the cabinet includes outer container, interior case and heat-conducting piece, the interior case is set in the outer container, and separate cavities are formed between the outer container and the interior case, the heat-conducting piece is connected in the interior case, battery case provided by the utility model alleviates power battery cooling and the bad technical problem of heat insulation effect in the prior art, internally heat preservation isolation can be carried out by case, low temperature environment is avoided to influence the temperature of interior case, not only contribute to power battery heat dissipation, and be conducive to by adding hot internal box, power battery is set to be rapidly achieved suitable operating temperature.
Description
Technical field
The utility model relates to battery temperature control technique fields, more particularly, to a kind of battery case and battery temperature control device.
Background technique
Electric car is the vehicle energy to be provided by power battery, and provide the driving force of vehicle by driving motor.Due to
Power battery needs to provide a large amount of energy, therefore during the work time, and power battery inevitably generates a large amount of heat
Amount.When charging to power battery, power battery can similarly generate amount of heat.The excessive buildup of these heats can be right
The working efficiency of power battery has an adverse effect, and then influences the normal operation of electric car.In addition, at low ambient temperatures,
The charge and discharge of power battery are more difficult, therefore the temperature change of external environment is very big on the influence of the working performance of power battery.
The thermal safety of power battery is the premise of its safe handling, how preferably to control the temperature of power battery, is prevented
Thermal runaway only occurs, is the key that current driving force battery thermal management.Currently, the power battery pack on electric car generallys use wind
Cold or liquid cooling mode, but it is lower to the cooling efficiency of battery, and waste of energy.
Utility model content
The purpose of this utility model is to provide a kind of battery case and battery temperature control devices, to alleviate power in the prior art
The low technical problem of battery cooling efficiency.
In a first aspect, battery case provided by the utility model, including cabinet, the cabinet includes outer container, interior case and thermally conductive
Part, the interior case is set in the outer container, and separate cavities are formed between the outer container and the interior case, and the heat-conducting piece is connected to
In the interior case.
With reference to first aspect, the utility model provides the first possible embodiment of first aspect, wherein described
Connection Bracket in interior case, the fixed frame is for connecting power battery.
With reference to first aspect, the utility model provides second of possible embodiment of first aspect, wherein described
Cabinet includes covering members, and the covering members are covered on the open end of the interior case.
With reference to first aspect, the utility model provides the third possible embodiment of first aspect, wherein described
The lateral wall of outer container connects multiple cooling fins.
With reference to first aspect, the utility model provides the 4th kind of possible embodiment of first aspect, wherein described
The first pipe fitting, the second pipe fitting and third pipe fitting, first pipe fitting, second pipe fitting and the third pipe are connected on outer container
Part is in fluid communication with the separate cavities, and the third pipe fitting is connected to the top of the outer container, and second pipe fitting is connected to
The bottom end of the outer container.
Second aspect, battery temperature control device provided by the utility model, comprising: controller, fluid reservoir, the first solenoid valve and
The battery case that first aspect provides, first solenoid valve is connected between the fluid reservoir and the separate cavities, and respectively with
The fluid reservoir and the separate cavities are in fluid communication, and the controller is connected with first solenoid valve.
In conjunction with second aspect, the utility model provides the first possible embodiment of second aspect, wherein described
Battery temperature control device includes: liquid pump and second solenoid valve, and the outlet end of the liquid pump is connected to the reservoir fluid, and described
Two solenoid valves are connected between the liquid feeding end of the liquid pump and the bottom end of the separate cavities, and respectively with the liquid pump and it is described every
It is in fluid communication from chamber, the liquid pump and the second solenoid valve are connected with the controller respectively.
In conjunction with the first possible embodiment of second aspect, the utility model provide second aspect second can
The embodiment of energy, wherein the battery temperature control device includes: air pump and third solenoid valve, and the third solenoid valve is connected to
Between the air pump and the separate cavities, and it is in fluid communication respectively with the air pump and the separate cavities, the air pump and described
Third solenoid valve is connected with the controller respectively.
In conjunction with second of possible embodiment of second aspect, the utility model provide second aspect the third can
The embodiment of energy, wherein the third solenoid valve is fluidly connected to the top of the separate cavities.
In conjunction with second aspect, the utility model provides the 4th kind of possible embodiment of second aspect, wherein described
Heater is set in cabinet, and the heater is connected with the controller.
The utility model embodiment brings following the utility model has the advantages that including outer container, interior case and heat-conducting piece, interior case using cabinet
In outer container, and separate cavities are formed between outer container and interior case, heat-conducting piece is connected to the mode in interior case, can fill out in separate cavities
Coolant liquid is filled, the cooling of internal case is easy to implement；Alternatively, thus separate cavities vacuum state can internally case be kept the temperature
Isolation, avoids the temperature of case in low temperature environment influence, while reducing the energy consumption for adding hot internal box, has reached energy conservation and heat preservation
Purpose.
In addition, heat-conducting piece is connected in interior case, the heat transfer that is generated power battery by heat-conducting piece to interior case, thus
Heat conduction efficiency in improving between case and power battery not only contributes to power battery heat dissipation, and is conducive to pass through heating
Interior case makes power battery be rapidly achieved suitable operating temperature.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
Detailed description of the invention
Technical solution in order to illustrate more clearly of specific embodiment of the present invention or in the related technology, below will be right
Attached drawing needed in specific embodiment or description of Related Art is briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the battery case cross-sectional view one that the utility model embodiment one provides；
Fig. 2 is the battery case main view that the utility model embodiment one provides；
Fig. 3 is the battery case cross-sectional view two that the utility model embodiment one provides；
Fig. 4 is the structure division schematic diagram for the battery temperature control device that the utility model embodiment two provides；
Fig. 5 is the electrical appliance part schematic diagram for the battery temperature control device that the utility model embodiment two provides.
Icon: 1- cabinet；11- outer container；Case in 12-；13- heat-conducting piece；14- fixed frame；15- covering members；16- cooling fin；
The first pipe fitting of 17-；The second pipe fitting of 18-；19- third pipe fitting；2- controller；3- fluid reservoir；The first solenoid valve of 4-；5- liquid pump；6-
Second solenoid valve；7- air pump；8- third solenoid valve.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment one
As shown in Figure 1, battery case provided by the embodiment of the utility model, including cabinet 1, cabinet 1 include outer container 11, interior case
12 and heat-conducting piece 13, interior case 12 is set in outer container 11, and separate cavities are formed between outer container 11 and interior case 12, and heat-conducting piece 13 is connected to
In interior case 12.
Specifically, forming closed separate cavities between outer container 11 and interior case 12, opening, separate cavities are arranged in the bottom end of interior case 12
Along the circumferentially extending of interior case 12, and top and the side wall of interior case 12 are wrapped up, for storing power battery inside interior case 12.Separate cavities
It is set as vacuum, can prevent interior case 12 from generating heat transmitting with extraneous, and then reach the heat preservation purpose of internal case 12；In separate cavities
The cooling medium of larger specific heat capacity is filled, it is possible thereby to absorb power battery heat, to avoid interior case 12 in power battery
It acts on lower temperature to be sharply increased, heat-conducting piece 13 is connected to the inside of interior case 12, abuts power battery and interior case by heat-conducting piece 13
12, to be transferred to cooling medium by the heat transfer of power battery to interior case 12, and by interior case 12, thus avoid heat transfer
To outer container 11, so that the heat for avoiding power battery from generating is distributed into ambient enviroment, in the process, heat-conducting piece 13 is as warm
Good conductor, more preferably compared to air heat transfer efficiency, heat in interior case 12 is transferred to interior case 12 by heat-conducting piece 13, thus real
Now to the high efficiency and heat radiation of power battery.
It should be noted that separate cavities can be evacuated, to make separate cavities not only can be to avoid dynamic in interior case 12
The heat transfer of power battery, and can be to avoid in low temperature environment to outer container 11, and interior case 12 is by low temperature effect, to avoid shadow
Sound of movement power battery performance.
In the utility model embodiment, Connection Bracket 14 in interior case 12, fixed frame 14 is for connecting power battery.
As shown in figures 1 and 3, fixed frame 14 setting there are two, two fixed frames 14 be located at interior case 12 top and
Bottom end, and multiple power battery mounting holes are provided on fixed frame 14, to install power battery.In addition, heat-conducting piece 13 is
Multiple heat transmission fins, multiple heat transmission fins are arranged at intervals in interior case 12, and are connect with the inner wall of interior case 12；The end of heat transmission fin
Face is parallel with the end face of fixed frame 14, and multiple through-holes are provided on heat transmission fin, multiple through-holes on heat transmission fin and more
A power battery mounting hole is oppositely arranged one by one, and power battery cooperates in the through-hole of heat transmission fin, the heat that power battery generates
Amount, can be transferred to interior case 12 by multiple heat transmission fins, and the heat that power battery generates thus is timely transmitted to interior case 12,
Solve the excessively high bring security hidden trouble of temperature of powered cell.
As shown in Figure 1, cabinet 1 includes covering members 15, covering members 15 are covered on the open end of interior case 12.
Specifically, covering members 15 are used to cover the open end for closing interior case 12, covering members 15 add towards the setting of the side of interior case 12
Hot device, to be at low ambient temperatures the power battery heating in interior case 12.
As shown in Fig. 2, the lateral wall of outer container 11 connects multiple cooling fins 16.
Specifically, cooling fin 16 is aluminum fin, multiple aluminum fin interval settings, and perpendicular to the lateral wall of outer container 11
End face；Cooling fin 16 is used to absorb the heat of outer container 11, by multiple aluminum fin increasing heat radiation areas, to be conducive to improve
The radiating efficiency of outer container 11.
As shown in Fig. 2, the first pipe fitting 17, the second pipe fitting 18 and third pipe fitting 19 are connected on outer container 11, the first pipe fitting 17,
Second pipe fitting 18 and third pipe fitting 19 are in fluid communication with separate cavities, and third pipe fitting 19 is connected to the top of outer container 11, the second pipe
Part 18 is connected to the bottom end of outer container 11.
Specifically, the first pipe fitting 17 is used to that fluid reservoir 3 and separate cavities to be in fluid communication, so as to so that cold in fluid reservoir 3
But medium is flowed into separate cavities by the first pipe fitting 17；Second pipe fitting 18 is used to be in fluid communication the liquid feeding end and separate cavities of liquid pump 5,
And second pipe fitting 18 be connected to the bottom end of outer container 11, so as to extract the liquid cooling medium in separate cavities out, so as to low
In warm environment, the quick heat temperature raising of interior case 12 may be implemented；Third pipe fitting 19 be used for be in fluid communication air pump 7 inlet end and every
From chamber, the work of air pump 7 can be by isolation intracavity gas discharge, to make to form negative pressure cavity inside separate cavities, in vacuum state
Under, separate cavities have the function of that heat-insulation and heat-preservation, third pipe fitting 19 are connected to the top of outer container 11, so that liquid be avoided to pass through third
Pipe fitting 19 is discharged；Also, the boiling point of the separate cavities under negative pressure state, interior liquid cooling medium reduces, and steams so as to pass through
The temperature with high efficiency of interior case 12 is realized in hair heat absorption.To use pure water as cooling medium, under negative pressure state, the boiling point of pure water
It is reduced between 30 degrees Celsius -40 degrees Celsius, it is pure when interior case 12 is warming up to negative pressure state pure water boiling point by power battery effect
The heated boiling vaporization of water, to take away heat, quickly to realize the efficient cooling of interior case 12.
Embodiment two
As shown in Figure 4 and Figure 5, battery temperature control device provided by the embodiment of the utility model, comprising: controller 2, fluid reservoir
3, the battery case that the first solenoid valve 4 and embodiment one provide, the first solenoid valve 4 are connected between fluid reservoir 3 and separate cavities, and point
It is not in fluid communication with fluid reservoir 3 and separate cavities, controller 2 is connected with the first solenoid valve 4.
Specifically, controller 2 is PLC controller, and fluid reservoir 3 is for storing coolant liquid.Fluid reservoir 3 is located at the upper of battery case
Side, when PLC controller, which controls the first solenoid valve 4, opens, the coolant liquid in fluid reservoir 3 can flow to isolation under the effect of gravity
It is intracavitary.Coolant liquid selects pure water, has biggish specific heat capacity, to can absorb more heat, and will not cause battery case
A large amount of heatings.
In the utility model embodiment, battery temperature control device includes: liquid pump 5 and second solenoid valve 6, and liquid pump 5 goes out liquid
End is in fluid communication with fluid reservoir 3, and second solenoid valve 6 is connected between the liquid feeding end of liquid pump 5 and the bottom end of separate cavities, and respectively with
Liquid pump 5 and separate cavities are in fluid communication, and liquid pump 5 and second solenoid valve 6 are connected with controller 2 respectively.
It is closed specifically, controller 2 controls the first solenoid valve 4, and controls the unlatching of second solenoid valve 6, start liquid pump 5,
Under the action of liquid pump 5, the coolant liquid in separate cavities, which can flow through liquid pump 5 and flow in fluid reservoir 3, to be stored, and is thus conducive in low temperature ring
Quickly battery case is heated under border, the energy loss for avoiding coolant liquid from absorbing heat.
Further, battery temperature control device includes: air pump 7 and third solenoid valve 8, and third solenoid valve 8 is connected to 7 He of air pump
Between separate cavities, and it is in fluid communication respectively with air pump 7 and separate cavities, air pump 7 and third solenoid valve 8 are connected with controller 2 respectively
It connects.
Specifically, controller 2 controls the first solenoid valve 4 and second solenoid valve 6 is closed, third solenoid valve 8 is opened, and start
Isolation intracavity gas is sucked out under the action of air pump 7 for air pump 7, to make the reduction of separate cavities air pressure inside.Separate cavities when so
Inside there is coolant liquid, then the boiling point of coolant liquid reduces, when power battery is warming up to coolant liquid boiling point, coolant liquid vaporization heat absorption,
The temperature of battery case can be quickly reduced, and then avoid power battery at high temperature spontaneous combustion；As in separate cavities without coolant liquid, controller 2
The of short duration unlatching of the first solenoid valve 4 is controlled, and remains off second solenoid valve 6 and third solenoid valve 8, to make coolant liquid
Into separate cavities, and make to maintain negative pressure state in separate cavities, to realize battery case when power battery is warming up to coolant liquid boiling point
Temperature with high efficiency.
Further, third solenoid valve 8 is fluidly connected to the top of separate cavities.When the work of air pump 7, and have in separate cavities
When coolant liquid, third solenoid valve 8 is fluidly connected to the top of separate cavities, coolant liquid can be sucked out to avoid air pump 7.
Further, heater is set in cabinet 1, and heater is connected with controller 2.In severe cold environment, controller 2
The closing of the first solenoid valve 4 is controlled, second solenoid valve 6 is opened, and starts liquid pump 5, so that the coolant liquid in separate cavities is sucked storage
In flow container 3.Meanwhile controller 2 controls electric heater work, is the heating of interior case 12 by electric heater, so that it is guaranteed that in interior case 12
Power battery work is in suitable temperature environment.
It should be noted that temperature sensor is arranged in interior case 12, temperature sensor is connected with controller 2, controller 2
The data of temperature sensor are read, to judge the operating temperature of power battery.When temperature of powered cell is higher than default maximum temperature
When, controller 2 controls third solenoid valve 8 and opens, and booster air pump 7, environment under low pressure is formed in separate cavities to make, in addition, control
Device 2 processed controls the of short duration unlatching of the first solenoid valve 4 and is existed so that the coolant liquid in fluid reservoir 3 be made to flow in separate cavities by coolant liquid
Heat absorption is vaporized in environment under low pressure, realizes the cooling to power battery.When temperature of powered cell is higher than default minimum temperature, control
Device 2 controls heater starting, is power battery heating by heater, so that power battery work is in preference temperature environment.
In addition, controller 2 can control the first solenoid valve 4 and second solenoid valve 6 is turned off, third solenoid valve 8, and booster air pump are opened
7, to make to form vacuum state in separate cavities, it is achieved in preferable heat insulation effect.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of battery case, which is characterized in that including cabinet (1), the cabinet (1) includes outer container (11), interior case (12) and leads
Warmware (13), the interior case (12) is set in the outer container (11), and is formed between the outer container (11) and the interior case (12)
Separate cavities, the heat-conducting piece (13) are connected in the interior case (12).
2. battery case according to claim 1, which is characterized in that the interior Connection Bracket of the interior case (12) (14), it is described
Fixed frame (14) is for connecting power battery.
3. battery case according to claim 1, which is characterized in that the cabinet (1) includes covering members (15), the covering
Part (15) is covered on the open end of the interior case (12).
4. battery case according to claim 1, which is characterized in that the lateral wall of the outer container (11) connects multiple cooling fins
(16)。
5. battery case according to claim 1, which is characterized in that be connected on the outer container (11) the first pipe fitting (17),
Second pipe fitting (18) and third pipe fitting (19), first pipe fitting (17), second pipe fitting (18) and the third pipe fitting
(19) it is in fluid communication with the separate cavities, the third pipe fitting (19) is connected to the top of the outer container (11), and described second
Pipe fitting (18) is connected to the bottom end of the outer container (11).
6. a kind of battery temperature control device characterized by comprising controller (2), fluid reservoir (3), the first solenoid valve (4) and power
Benefit requires the described in any item battery cases of 1-5, and first solenoid valve (4) is connected to the fluid reservoir (3) and the separate cavities
Between, and be in fluid communication respectively with the fluid reservoir (3) and the separate cavities, the controller (2) and first solenoid valve
(4) it is connected.
7. battery temperature control device according to claim 6, which is characterized in that the battery temperature control device includes: liquid pump (5)
With second solenoid valve (6), the outlet end of the liquid pump (5) and the fluid reservoir (3) are in fluid communication, the second solenoid valve (6)
Be connected between the liquid feeding end of the liquid pump (5) and the bottom end of the separate cavities, and respectively with the liquid pump (5) and described be isolated
Chamber is in fluid communication, and the liquid pump (5) and the second solenoid valve (6) are connected with the controller (2) respectively.
8. battery temperature control device according to claim 7, which is characterized in that the battery temperature control device includes: air pump (7)
With third solenoid valve (8), the third solenoid valve (8) is connected between the air pump (7) and the separate cavities, and respectively with institute
Air pump (7) and the separate cavities are stated to be in fluid communication, the air pump (7) and the third solenoid valve (8) respectively with the controller
(2) it is connected.
9. battery temperature control device according to claim 8, which is characterized in that the third solenoid valve (8) is fluidly connected to
The top of the separate cavities.
10. battery temperature control device according to claim 6, which is characterized in that heater, institute are arranged in the cabinet (1)
Heater is stated to be connected with the controller (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821585166.4U CN208835097U (en) | 2018-09-27 | 2018-09-27 | Battery case and battery temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821585166.4U CN208835097U (en) | 2018-09-27 | 2018-09-27 | Battery case and battery temperature control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208835097U true CN208835097U (en) | 2019-05-07 |
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ID=66318569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821585166.4U Active CN208835097U (en) | 2018-09-27 | 2018-09-27 | Battery case and battery temperature control device |
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| Country | Link |
|---|---|
| CN (1) | CN208835097U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244281A (en) * | 2018-09-27 | 2019-01-18 | 北京长城华冠汽车技术开发有限公司 | Battery case and battery temperature control device |
-
2018
- 2018-09-27 CN CN201821585166.4U patent/CN208835097U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244281A (en) * | 2018-09-27 | 2019-01-18 | 北京长城华冠汽车技术开发有限公司 | Battery case and battery temperature control device |
| CN109244281B (en) * | 2018-09-27 | 2024-04-30 | 北京长城华冠汽车技术开发有限公司 | Battery box and battery temperature control device |
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